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Topic: Whirlpool duet model # wfw9640xw00 (Read 4425 times)

Whirlpool duet model # wfw9640xw00. This washer is getting f 20 code after several minutes. Flow meter is good. Washer is filling to bottom of window. Have good water flow thru inlet valve. This unit will automaticcally have a f20 after six minutes according to tech info. I'm thinking the Pressure switch p# w10249845 could be faulty. In diagnostic mode an f64 comes up. Any ideas would be appreciated, thanks.